Features: 1. 100% brand new2. Barbed connector for a firm fit3. Upgrade# version has built-in one-way check valve to avoid backflow.4. Easy to use, just squeeze several times to pump the liquid.5. Scope of application: Automobile, helicopter, ship, motorcycle and other fuel systems.6.Advantages: diesel resistance, gasoline resistance, aging resistance Description: 1.Name: Car rubber directional oil supply hand pump 6/8/10/12mm2.Material: High quality NBR rubber and aluminum alloy3. Size: 6mm/8mm/10mm/12mm4. Opening Pressure: 0.2 bar5. Working Pressure Range: 0.2-6 bar6. Operating: -30 to +130 Package Includes: 1x Hand Pump4 sizes available Notes: 1. Please allow 1-2cm error due to manual measurement, please make sure you don't mind before ordering.2. Due to different monitor settings, the picture may not reflect the actual color of the item. actual